Mold core including ejection sleeve
US4660801A · kind A · utility
29Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1985 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Dec 19, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/015
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mold core for ejecting a cup-shaped workpiece including a core base, a core cap fixedly engaged with said core base and a core sleeve seated on the core base and engageable with said core cap. A fluid ejection channel is formed at the interface of the core base and core sleeve for ejecting gaseous fluid to the peripheral surface of the mold core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.